. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. y degree of propriety whatever, and therefore to me it appears best, in imitationof the greatest Roman and modern architects, alway? to make the two cornices of thesame profile, thus committing a trifling impropriety to avoid a very considerable deformity. 2720. Different si/.ed pediments in the same fsj^ade are ^to be avoided ; but as respects their forms in ranges ofwindows and niches a pleasing variety is often oiitained bymaking them alternately
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. y degree of propriety whatever, and therefore to me it appears best, in imitationof the greatest Roman and modern architects, alway? to make the two cornices of thesame profile, thus committing a trifling impropriety to avoid a very considerable deformity. 2720. Different si/.ed pediments in the same fsj^ade are ^to be avoided ; but as respects their forms in ranges ofwindows and niches a pleasing variety is often oiitained bymaking them alternately curved and rectilinear, as in thetemple at Nlsmes and in the niches of the Pantheon atRome. 2721. In the horizontal part of a cornice under a pe-diment the two upper mouldings are always oniitted, andthe intersection of the inclined with the horizontal lines,supposing the inclined members of the cornice to be of thesame height as those which are horizontal, will not fall intothe profile {fig- 945.) whereof A B and BC are the lead-ing lines. To obviate this inconvenience, some architectshave made a break in the cymatium and fillet, as shown. PRACTICr: OF AllCIirrEC TUllE. Book J J J. ill the fifftir. But this is a bad practice, and to it wc prctcr cither making tlie cyma and(Diet liigher, as the dotted line AU indicates, or altogether lowering the height of the cymaon the horizontal line If the inclined cornice is joined on each side by horizontal ones, thebest expedient is to give only such small projection to the cyma as that it may meet theinclined sides. 2722. The heights of pediments should be regulated by their lengths, independent of theconsideration of climate. (See Book II. Chap. HI. Sect. IV. 2027.) Thus, when the base ofthe pediment is short, the height of the pediment may be greater; and when long, it shouldbe diminished ; for in the former case the inclined cornice leaves but scanty space for thetympanum, and in the latter case the tympanum will appear overcharged.
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